한국정보디스플레이학회:학술대회논문집

한국정보디스플레이학회 (The Korean Infomation Display Society)
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Temporal Response of the Organic Electroluminescent Device with a Vacuum-Deposited Poly(p-phenylene) Thin Film

  • Kang, G.W. (Department of Physics, Inha University) ;
  • Lee, C.H. (Department of Physics, Inha University) ;
  • Song, W.J. (Department of Textile Engineering, Inha University) ;
  • Seoul, C. (Department of Textile Engineering, Inha University)
  • 발행 : 2000.01.13
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초록

The temporal response of the electroluminescence (EL) has been studied in the organic electroluminescent devices fabricated with a vacuum-deposited poly(p-phenylene) (PPP) thin film upon the application of a rectangular driving voltage. The blue EL emission arises with a delay time of several hundred nanoseconds and then saturates with the rise time of less than microsecond. The EL delay time is considered as the transit time of holes in the PPP thin film since the hole mobility is much larger than the electron mobility in PPP. The hole mobility is estimated to be ${\sim}$ $1{\times}10^{-5}$ $cm^2/Vs$ in the vacuum-deposited PPP film.

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